   0  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
   5  getfield_gc_r %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputbuf> -> %r0
  10  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  15  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i1
  20  int_add %i1, $1 -> %i1
  24  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  29  -live- %i0, %i1, %i2, %r0, %r1
  32  goto_if_not_int_le %i1, %i2, L1
  37  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.StringBuffer.inst_value> -> %r0
  42  int_add %i0, $0 -> %i0
  46  gc_load_indexed_i %r0, %i0, $<ItemOffset <Char> 1>, $< <FieldOffset <GcStruct rpy_string { hash, chars }> 'chars'> + < ArrayItemsOffset <Array of Char {'immutable': True, 'extra_item_after_alloc': 1} > > >, $<ItemOffset <SIGNEDCHAR> -1> -> %i3
  53  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  58  int_add %i0, $1 -> %i1
  62  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  67  -live- %i0, %i1, %i2, %i3, %r1
  70  goto_if_not_int_le %i1, %i2, L2
  75  int_add %i0, $1 -> %i0
  79  setfield_gc_i %r1, %i0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  84  int_return %i3
  86  ---
  86  L2:
  86  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000556c1377aec8> -> %r0
  90  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
  95  assert_not_none %r0
  97  -live- %r0
 100  raise %r0
 102  ---
 102  L1:
 102  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
 107  int_add %i0, $1 -> %i1
 111  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
 116  -live- %i0, %i1, %i2, %r1
 119  goto_if_not_int_le %i1, %i2, L3
 124  int_add %i0, $1 -> %i0
 128  setfield_gc_i %r1, %i0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
 133  raise $<* struct object>
 135  ---
 135  L3:
 135  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000556c1377aec8> -> %r0
 139  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
 144  assert_not_none %r0
 146  -live- %r0
 149  raise %r0
